CN109562682A - Electric drive arragement construction and power train with such electric drive arragement construction - Google Patents
Electric drive arragement construction and power train with such electric drive arragement construction Download PDFInfo
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- CN109562682A CN109562682A CN201680088340.1A CN201680088340A CN109562682A CN 109562682 A CN109562682 A CN 109562682A CN 201680088340 A CN201680088340 A CN 201680088340A CN 109562682 A CN109562682 A CN 109562682A
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- electric drive
- driving
- drive assembly
- gear unit
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- 238000010276 construction Methods 0.000 title description 10
- 230000008878 coupling Effects 0.000 claims description 19
- 238000010168 coupling process Methods 0.000 claims description 19
- 238000005859 coupling reaction Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 6
- 230000008450 motivation Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 10
- 238000009826 distribution Methods 0.000 description 5
- 230000009467 reduction Effects 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/001—Arrangement or mounting of electrical propulsion units one motor mounted on a propulsion axle for rotating right and left wheels of this axle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/04—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for differential gearing
- B60K2023/043—Control means for varying left-right torque distribution, e.g. torque vectoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/70—Gearings
- B60Y2400/73—Planetary gearings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structure Of Transmissions (AREA)
Abstract
The present invention relates to a kind of for driving the electric drive assembly of motor vehicles, comprising: motor (2), planetary gear unit (4) and switching device (5) for planetary gear unit, wherein the planetary gear unit (4) includes the planet carrier (9) that driving can be rotated by the motor (3), the multiple planetary gears (10) and two sun gears (11 rotated with the planet carrier (9), 12), wherein described two sun gears (11, 12) the first sun gear in is configured for the output par, c of the driven unit (70) in driving downstream, and wherein described two sun gears (12, 11) secondary sun wheel in is effectively connected to the switching device (5) as follows, i.e. so that the secondary sun wheel (12) is in the first toggle bit Set the first output shaft (25) for being supported on stationary parts and being connected in a rotationally fixed manner in the second switching position the driven unit (70) that can be driven by first sun gear (11) in a rotational direction.
Description
Technical field
The present invention relates to the electric drive assemblies of the power train for motor vehicles.In addition, such the present invention relates to having
The transmission components of electric drive assembly.There are the electric drive assembly of the prior art, be configured to be used as unique drive and/or
The supplement driver of main drive source, to drive motor vehicles.
Background technique
For example, known a kind of with motor and transmission assembly from the DE 10 2,015 103 584.7 of the applicant
Electric drive.Transmission assembly includes: the first gearbox unit, is with input gear and relative to input gear axial direction
The spur gear transmission form of the output gear of offset；Second gearbox unit of planetary gear unit form；And differential gear
The third gearbox unit of wheel form.Planetary gear unit include multiple planetary gears, pinion frame, the first sun gear and
Secondary sun wheel.First sun gear can be supported via controllable clutch against shell.Secondary sun wheel is by drivingly
It is connected to the differentiator shell (differential cage) of differential gearing.In the opening of clutch, motor with it is differential
Gear disconnects.Under the closure situation of clutch, torque is passed to differential gearing.
Additionally, there are a kind of known driving assemblies, are used to changeably distribute the torque in the power train of motor vehicles,
The driving assembly can also be referred to as torque vector system.For example, a kind of speed change known from 10 2,005 004 290 A1 of DE
Such system of device modular form.Transmission module includes first axle with the first sun gear, has the second sun tooth
The frame member of second axis of wheel, multiple planetary gears of the first sun gear of engagement and secondary sun wheel and planetary gear bearing
Part.Frame element can be connected to fixed shell by clutch, so that torque can be transmitted between first axle and the second axis.
From the differential unit with controllable torque and Speed allotment a kind of known to 2,008 0064552 A1 of US.Differential unit
Including the differential gearing, the superposition gear of planetary gear form and the auxiliary drive of electric motor form driven by vehicle motor
Unit.Planetary gear includes two sun gears, two hollow gears and two groups of planetary gears.First sun gear is connected to
Auxiliary drive unit, secondary sun wheel are supported on shell in a rotationally fixed manner, and described two hollow gears
It is connected to two components of differential gearing.
2,010 101506 A1 of WO proposes a kind of torque vector device, has the first electronic horse as driving source
Reach, can by the first electrical motor driven and tool there are two the differential gearing of output shaft, between described two output shafts point
The second electric motor and control device with torque can control the second electronic horse by the control device based on multiple variables
It reaches, the multiple variable represents the driving dynamics of motor vehicles.
Summary of the invention
It is an object of the present invention to propose that a kind of electric drive assembly of power train for motor vehicles, the driving assembly are needing
Will be preferably small installation space while both allowed driving function or allowed the variable allocation of torque.In addition, target is to propose
A kind of suitable transmission components including such electric drive assembly.
A solution is to provide a kind of for driving the electric drive assembly of motor vehicles comprising: it is driven for generating
The motor of dynamic torque；For delivering motive torque to the planetary gear unit of driven unit (take-off unit)；And
For the switching device of planetary gear unit, wherein planetary gear unit includes that can be revolved by motor drive around rotation axis
Turn planet carrier, with planet carrier rotation multiple planetary gears and be drivingly coupled to two sun teeth of planetary gear
Wheel, wherein the first sun gear in described two sun gears is configured to output par, c for driving subsequent driven list
Member, and wherein the secondary sun wheel in described two sun gears is operatively coupled to switch unit as follows,
I.e. so that secondary sun wheel is supported on stationary parts in a rotational direction in the first switching position and cuts second
The first output shaft of the driven unit that can be driven by the first sun gear is connected in change place in a rotationally fixed manner.
The advantage of the electric drive assembly is, depends on needing, it is motor-driven to drive can either to be used as additional drives source
Vehicle and it also can be used in changeably distribution of torque and being respectively used between two output shafts of driving shaft (axle)
Asymmetric torque is generated for the two drive shafts.Meanwhile the component is compact and including simple structure, this is because it is only
Including a motor, but its controlled way is depended on, which being capable of adapter tube different function.
In the frame of the disclosure, the quantity of stationary parts is will be including allowing to rotate the fixed all that portion supported
Part, such as the housing parts of electric drive assembly.Planetary gear unit can include two, three or more planetary gear,
It is preferably able to be distributed around even circumferential.As for statement " rotatable driving " or " by being drivingly connected " has been used, then
A possibility that will including in power path that one or two component is included in driving part between the component that is driven by it.
Such as in the power path between planet carrier and described two sun gears, the planet being interconnected that also may be provided in pair
Gear.Likewise it is possible to it is contemplated that clutch is arranged in power path between the component being drivingly connected at two,
It is optionally able to the transmitting for establishing or interrupting torque.
In the first switching position of switching device, secondary sun wheel is propped up against stationary parts in a rotational direction
Support, i.e., be supported by the torque that electric motor is introduced in secondary sun wheel, so that whole amount of torque are via the first sun tooth
Take turns the output unit after being passed in power path.In this switching position, planetary gear unit is similar to conventional
Reduction gearing operation, more slowly drives so that following and being electrically driven component according to retarding stage in the power train in downstream.
In the second switching position, secondary sun wheel is connected to the output of driven unit in a rotationally fixed manner
Axis, i.e., in driven unit by between the component of first gear driving and the component for being connected to secondary sun wheel of driven unit
Realize the deceleration formed by planetary gear unit.In this switching position, motor is operated as torque vector device, is taken
One certainly in the output shaft that torque changeably can be transmitted to driven unit by the driving direction of motor.
According to other embodiment, switching device can be converted into third switching position, can oneself in this sun gear
By rotating.Also it can be referred to as in this switching position of neutral position, motor and power train disconnect.
Planetary gear unit be constructed such that be introduced in the torque of planet carrier via planetary gear be passed to this two
A sun gear.Therefore, planet carrier is functionally used as importation, and torque is introduced via the importation by motor.First
Sun gear is used as the output par, c of planetary gear unit for driving the downstream driving unit of power train.Secondary sun wheel
As the coupling member to switching device, the operation mode of electric drive assembly can be changed.In this regard, secondary sun wheel
Functionally see the actuation part that can be also referred to as planetary gear unit.
The planet carrier of planetary gear unit can be configured such that be caged and can include two sleeve parts with
In planet carrier is supported on two sides in stationary housings.Planetary gear is connected to planet carrier, especially so that their planet tooth
Wheel axis is rotated around the rotation axis of planet carrier.It proposes, planetary gear includes the first teeth portion for engaging the first sun gear
Divide and engage the second toothed portion of secondary sun wheel.The first and second toothed portion of planetary gear can include it is mutually the same or
The tooth of different number.In order to simplify production, it is advantageous that if the first and second toothed portion of planetary gear shape in the same manner
At.First and second sun gears can include the tooth of identical quantity, or even if the two toothed portions of planetary gear have
The tooth of identical quantity, they also can include the tooth of different number.In the later case, the tooth of the first sun gear and second is too
The tooth of positive gear can be that profile shifts each other.
According to possible embodiment, switching device can include controllable switch element and can be mobile by switching element
Coupling element, wherein coupling element is connected to stationary parts in the first switching position and in a rotationally fixed manner
The first output shaft is connected in two switching positions in a rotationally fixed manner.In a preferred embodiment, coupling element is to rotate
Fixed and axially movable mode is connected to secondary sun wheel.For this purpose, sun gear can include being integrally formed
Sleeve protrusion or be connected to axle journal, longitudinal tooth is set in its end, coupling element is using corresponding matching tooth to revolve
Turn fixed and axially movable mode is positioned on longitudinal tooth.
Electric drive assembly can further comprise driven unit, can be driven by the first sun gear and it can be connected
It is connected to planetary gear unit.According to possible embodiment, driven unit can be configured such that differential gear unit.Differential gearing list
Member preferably includes the differentiator shell for being drivingly coupled to the first sun gear, the multiple differential gears rotated with differentiator shell
Two side shaft gears of wheel and engagement differential gearing.The first side shaft gear in the two side shaft gears is with rotation-fixed manner
It is connected to the first output shaft, and the second side shaft gear in side shaft gear correspondingly may be connected to rotation-fixed manner
Two output shafts.Output shaft be used for drive the motor vehicle drives shaft that can be electrically driven Component driver associated right-hand side and
Corresponding left-hand side wheel of vehicle.According to possible embodiment, planetary gear unit and differential gearing are configured to relative to that
This coaxial positioning and laterally offset relative to each other.In a particular embodiment, planet carrier and differentiator shell can be relative to each other
It is coaxially disposed and is axially relative to one another offset.
Electric drive assembly of the invention can be used in different transmission components.For example, related to electric drive assembly
The power train of connection can be the main and/or secondary power train of motor vehicles.Furthermore it is possible to expect, electric drive assembly is only driven
The power train that associated power train or the driving of superposition ground can additionally be driven by other driving source (such as internal combustion engine).
In this case, importation in addition is preferably disposed at differentiator shell to turn for introducing from other driving source
Square.
As already described above, depending on the switching position of switching device, motor can present two kinds of functions or
The driving source of power train as motor vehicles or as two for torque to be changeably introduced into driving unit outputs
The device in one in axis.More particularly to be electronically controlled unit (ECU) control, which receives each motor
For kind sensor information as input parameter, this is related to the driving dynamics of motor vehicles, such as speed, the yaw speed of motor vehicles
Rate, steering angle and/or accelerometer position.Motor is preferably connected to battery, and the battery is to electricity in a motoring mode
Motivation supplies electric energy and the battery can be charged by motor under the generator mode of motor.Motor preferably includes
It is firmly connected to the stator of stationary parts and transmits torque to the rotor of rotatable part.
According to possible embodiment, motor can be coaxially disposed relative to planetary gear unit, wherein especially proposing
, the rotor of motor or correspondingly motor drive shaft connected to it is drivingly coupled to the planet of planetary gear unit
Frame.According to the first specific embodiment, motor can be configured to planetary gear unit axial overlap and it is radial on the outside,
Wherein the rotor of motor can be connected to the shell parts of planet carrier in a rotationally fixed manner.According to the second specific implementation
Example, motor can be configured to have axial dipole field and radially superposed relative to planetary gear unit, and wherein motor turns
Son can be connected to the sleeve part of planet carrier in a rotationally fixed manner.
According to other embodiment, motor can also be configured to have relative to the rotation axis of planetary gear unit
Axial dipole field.In other specific embodiment, motor can be configured to have relative to planetary gear unit axial inclined
Shifting and/or angle offset.In other words, in the frame of the disclosure, term " axial dipole field " should include that translation and/or angle are inclined
It moves.
Electric drive assembly can further comprise reduction gear unit, can be arranged on motor and planetary gear list
In power path between member.Reduction gear unit is especially constructed to transmit the moving in rotation introduced by motor at reduction
Speed.For the other details being related to, depends on available installation space and other technical requirements, specific embodiment can
It is selected to optionally compensate the axial dipole field between the rotation axis of the motor of motor and the rotation axis of planet carrier.Example
Such as, gear unit can be configured such that the form of commutating tooth wheel-drive, chain driver, tape drive or cone driver.
Electric drive assembly can include common shell, will include that each unit is received in individual housing parts
A possibility that, wherein each housing parts can be connected to each other.Such as shell can include the shell for receiving switch clutch
Body portion and the housing parts for receiving planetary differential unit.The two housing parts can for example pass through flange, bolt and/or weldering
It connects and is firmly connected to each other in succession.
The transmission components for the motor vehicles that the solution of above-mentioned target is still used to be driven by multiple shafts, packet
It includes: there is the first power train of the first driving shaft that can be driven by the first driving source；And second power train, having can quilt
Second driving shaft of electric drive assembly rotation driving, the electric drive assembly is according at least one of above-described embodiment by structure
It makes, wherein the first driving shaft and the second driving shaft machinery disconnect, i.e., they are separately constructed as follows, i.e., so that logical
The first power train can only be driven by crossing the first driving source, and can only drive the second power train by electric drive assembly.In electric drive
In first switching position of component, torque can be introduced into the second driving shaft by motor, so as to substituted or supplemented first drive
Dynamic source drives motor vehicles.In the second switching position, it can be realized to first and the variable of corresponding second output shaft and turn
Square distribution or torque introduce (torque vector function).This is especially realized as, and motor is generated to be driven in differentiator shell and second
The driving torque between one in the output shaft of shaft.Depending on the rotation driving direction of motor, driving torque can be
Positive or negative, so that selectively, one or the other output shaft is driven in rotation.
Above-mentioned target further realized by providing the transmission components of motor vehicles for being driven by multiple shafts,
Comprising: which the first driving shaft, can be rotated by the first driving source via the first power train and drive；Second driving shaft, warp
It can be rotated by the first driving source by the second power train and drive and be drivingly coupled to according at least one in above-described embodiment
A electric drive assembly being constructed.In other words, in such an embodiment, the first and second driving shafts are for example via propeller shaft
It is mechanically connected to each other.In the first switching position of electric drive assembly, additional torque can be introduced by motor
In two driving shafts, wherein two output shafts are consistently distributed in the torque introduced.In the second switching position, driven by first
The torque that dynamic source introduces can be superimposed with variable torque, be turned so that integrally can be realized the uneven of the first and second output shafts
Square is distributed (torque vector function).Depending on the rotation driving direction of motor, driving torque can be it is positive or negative, with
It causes selectively, an output shaft or another output shaft are driven in rotation.The driving torque of motor is drawn with the first driving source
The torque superposition entered, the latter one substantially also can be zero.
Above-mentioned target is further realized by providing the transmission components for motor vehicles comprising: the first driving
Source, especially internal combustion engine；The multiple-speed gear-box unit of the first driving source is followed in power path；And electric drive group
Part is constructed according at least to one in above-described embodiment, and wherein the differentiator shell of differential gear unit is drivingly connected
To multiple-speed gear-box unit and planetary gear unit.In the first switching position of switching device, additional torque can be from electronic
Machine is passed to differentiator shell.In the second switching position, it can be superimposed with variable torque by the torque that the first driving source introduces,
So that can integrally set uneven distribution of torque (torque vector function) on the first and second output shafts.This can be especially
Occur as described above.
By means of the transmission components, can be realized has the advantages that the above-mentioned of multi-functional controllability, i.e. the drive of power train
The variable allocation of dynamic function and torque, as combined described in electric drive assembly.
Detailed description of the invention
Preferred embodiment is described hereinafter with reference to attached drawing, in which:
Fig. 1 shows the electric drive assembly of the invention in first embodiment with half of longitudinal cross-section；
Fig. 2 diagrammatically illustrates the electric drive assembly according to Fig. 1 with half of longitudinal cross-section；
Fig. 3 shows the electric drive assembly of the invention in second embodiment with half of longitudinal cross-section；
Fig. 4 diagrammatically illustrates the electric drive assembly of Fig. 3 with longitudinal cross-section；
Fig. 5 diagrammatically illustrates the electric drive assembly of the invention in 3rd embodiment with longitudinal cross-section；
Fig. 6 shows the electric drive assembly of the invention in fourth embodiment with longitdinal cross-section diagram with releasing；
Fig. 7 diagrammatically illustrates the electric drive assembly of the invention in the 5th embodiment with longitudinal cross-section；
Fig. 8 diagrammatically illustrates the electric drive assembly of the invention in sixth embodiment with longitudinal cross-section；
Fig. 9 shows the transmission components with the electric drive assembly of the invention according to Fig. 4；
Figure 10 shows the transmission components with the electric drive assembly of the invention according to Fig. 5；
Figure 11 shows the transmission components with the electric drive assembly of the invention according to Fig. 6.
Specific embodiment
Hereafter will be describing jointly figures 1 and 2 show that electric drive assembly 2 of the invention in the first embodiment.Electricity
Driving assembly 2 includes motor 3, can be by planetary gear unit 4 and controllable switching device 5 that motor 3 drives, can be by
In the controllable switching device 5 come the operation mode that changes electric drive assembly.
Motor 3 includes multiple functions, that is, is used to drive the driving source of the power train of motor vehicles and for being driven
The device of changeably distribution of torque between two driving shafts of system.Motor 3 is electronically controlled unit (ECU) control.In order to
Electric current is supplied, motor 3 must be coupled to battery (not shown).Motor 3 includes being firmly connected to determining for shell 7
Son 6 and is firmly connected to the importation of planetary gear unit 4 to transmit the rotor 8 of torque.
Planetary gear unit 4 includes the planet carrier 9 as importation, multiple planetary gears 10 and two sun gears
11,12.Planetary gear 10 is so that they are connected to planet carrier 9 around the mode that the rotation axis A9 of planet carrier 9 rotates.Planet
Frame 9 is cage type, and including receiving planetary gear receiving portion 13 and two sleeve protrusions 14,15, the set in it
Cylinder protrusion 14,15 is rotationally supported in the shell 7 of electric drive assembly 2 via bearing 16,17 around rotation axis A9.Planet
Frame 9 is especially constructed to two parts, and including being firmly connected to mutual cage type part and lid shape particularly by welding
Part.
Planetary gear 10 is respectively rotationally supported at the pinion gear (pinion) for being connected to planet carrier 9 by transverse bearing 18
On 19, so as to rotatable around respective pinions axis A19, and planetary gear 10 is axially braced against by axial bearing 20,20 '
Planet carrier 9.Planetary gear 10 respectively includes the second sun tooth of first gear part 21 and engagement of the first sun gear 11 of engagement
The second gear part 22 of wheel 12.
First sun gear 11 includes filling for being drivingly coupled to the connection of driven unit (not shown) to be driven
It sets, which can be provided in the form of differential gearing, this will be further described below.Current real
It applies in example, the first sun gear 11 is connected to hollow shaft 24, which is rotatably supported on the defeated of driven unit
On shaft 25.In the present example, sun gear 11 and hollow shaft are formed integrally with housing casings, wherein it should be understood that the two
Part can also be produced separately and be subsequently attached to each other.Sun gear 11 and hollow shaft 24 are pacified by sliding bearing respectively
On output shaft 25, the bearing being in rolling contact also can be used.First sun gear 11 is relative to output shaft 25 by sealing
Part 27 seals, which is arranged in the inside continuous channel of the first sun gear 11.In hollow shaft 24 and shell 7
Between the annular chamber that is formed sealed by other shaft seal 28.
Secondary sun wheel 12 is configured to axial adjacent and coaxial with the first sun gear 11.In the two sun gears
11, axial bearing 29 is set between 12 opposite end face, and described two sun gears 11,12 are opposite by the axial bearing 29
In being axially supported each other.Similar to the first sun gear 11, secondary sun wheel 12 also includes sleeve protrusion 30 and is revolved
It is supported on output shaft 25 with turning.Sleeve protrusion 30 is functionally connected to switching device 5.
Switching device 5 can be electronically controlled unit control initiatively to influence the driving dynamics of motor vehicles.More
Body, switching device can be switched to three switching positions, this leads to the different operation modes of electric drive assembly 2.
In the first switching position of switching device 5, secondary sun wheel 12 is connected to shell in a rotationally fixed manner
Body 7.The torque being introduced in planetary gear 10 is supported on secondary sun wheel 12, so that whole amount of torque are via first
Sun gear 11 is passed to downstream output unit.In this switching position, planetary gear unit 4 is similar to conventional reducing gear
Wheel operation drives so that power train is electrically driven component 2 with corresponding deceleration.
In the second switching position, secondary sun wheel 12 is connected to the output of driven unit in a rotationally fixed manner
Axis 25.In the driven unit component driven by the first sun gear 11 and the driven unit structure for being connected to secondary sun wheel 12
The deceleration formed by planetary gear unit 4 is realized between part (25).In the switching position, motor 3 is used as torque vector
Device operation depends on torque can be asymmetrically transmitted in the output shaft 25,26 of driven unit by direction of rotation one
It is a.
In third switching position, secondary sun wheel 12 is no torque, i.e., it can be rotated freely.Also can be by
Referred to as in this switching position of neutral position, motor 3 and power train are disconnected.
Similar to the control model of motor, the control model of switching device is also based on multiple sensing datas, thus shadow
Ring the driving dynamics of motor vehicles, such as speed, yaw speed, steering angle and/or the accelerometer position of motor vehicles.
Common demands and driving dynamic conditions are respectively depending on, the operation of switching device 5 can be based especially on control, to be in
One in existing three switching positions.
Depending on technical requirements, switching device 5 can generally include any construction.Substantially described three switching positions
It can reliably be set.According to present example, switching device 5 includes axially movable switching element 32 and coupling element
33, which is connected to secondary sun wheel 12 to rotate fixed and axially movable mode.Coupling element 33
Hollow shaft 30 is connected to via longitudinal tooth 38 to rotate fixed and axially movable mode.Switching member 32 be configured to by
Coupling element 33 is transformed into three coupled positions.More specifically, switching member 32 can be mentioned in the form for switching yoke (yoke)
For being axially movably maintained in pinion gear 37 and can be moved by actuator (not shown).Therefore, connection member
Part 33 can be provided in the form of the switching cylinder (muff) with continuous channel, and switching cylinder is moved axially by sliding shoe
Body, the continuous channel can be switched yoke engagement.
In the first coupled position, coupling element 33 is connected via the first form locking device 34,34' by form with locking
To shell 7, so that coupling element 33 and therefore secondary sun wheel 12 is supported in a rotationally fixed manner against shell 7.When
Switching member 32 and when therefore moving away position shown in Fig. 1 towards left side with the coupling member 33 that it axially connect, should
Position is implemented, so that the form locking device 34 of coupling member 33 engages the form locking device 34' of shell 7.
In the second coupled position, coupling element 33 is in a rotationally fixed manner via the second form locking device 35,35'
It is connected to output shaft 25.For this purpose, providing intermediary element 36, it is connected in a manner of rotating fixed and axial restraint
Output shaft 25.Rotation is fixedly connected and can realize via spline.In the present example, axial restraint is by circlip 39 come real
It is existing.When switching element 32 and when the coupling element 33 that axially connect with it position shown in Fig. 1 is mobile towards right side, second
Coupled position is implemented, so that the form locking device 35 of coupling element 33 engages the form locking device 35' of intermediary element 36.
The third place (neutral position) is shown in FIG. 1.It can be seen that coupling element 33 had both been not connected to shell 7 or had not connected
It is connected to intermediary element 36, so that secondary sun wheel 12 can rotate freely.
The shell 7 of electric drive assembly 2 is designed to multiple portions and first including receiving planetary gear unit 4 in it
Housing parts 40 and its inscribed second shell part 42 for receiving switch connection piece 5.Second shell part 42 is via flange (difference
It is bolt connection piece 43) it is connected to first shell part 40.It is received at the two and forms midfeather 44 between chamber.In addition,
It can be seen that output shaft 25 is rotationally supported in shell 18 and close via shaft seal 46 via bearing 45 in Fig. 1
Envelope.
The Fig. 3 described jointly and Fig. 4 are hereafter shown into electric drive assembly 2 of the invention in a further embodiment.
Electric drive assembly 2 is largely corresponding to Fig. 1 and content shown in Fig. 2, so that for the common trait being related to, with reference to above
Description, wherein identical details or the details to correspond to each other are given same reference numerals as in Figure 1 and Figure 2.
As in the above embodiments, current electric drive assembly 2 includes motor 3, planetary gear unit 4 and controllable switching
Device 5.The difference of arragement construction about motor 3 is, in the present example, is configured to relative to planetary gear
4 axial dipole field of unit.Specifically, it is proposed that, motor 3 is configured such that at least radial inner portion, outstanding of motor 3
At least one of its rotor and planetary gear 10 is radially superposed.By this method, it compared with according to the embodiment of Fig. 1 and Fig. 2, realizes
Longer slightly shape in radially very compact but axial direction.
In order to ensure planetary gear unit 4 and motor 3 abreast have enough spaces, shell 7 is configured to enough
It is long.The stator 6 of motor 3 is connected to the housing parts 40 of shell 7.The rotor 8 of motor 3 is connected to the axis of planet carrier 9
Part 50, it is axially extending towards switching device 5 from the flange portion 51 of planet carrier 9.The maximum gauge of shell 7 is only slightly larger than
The maximum gauge of planet carrier 9.Sleeve protrusion 15 is set in the end of shaft portion 50, planet carrier 9 is via sleeve protrusion 15 by shell
Bearing 17 in the midfeather 44 of body 7 pivotally supports.In the present example, due to the axis of planetary gear unit and motor
To adjacent arragement construction, thus hollow shaft 24 be also configured as it is axially longer.It is realized by spline 52 and the second sun tooth
The rotation of wheel 12 is fixedly connected.Axial restraint is realized by axial restraint ring 53.At its opposed end, hollow shaft is via axis
54 are held to be radially supported, be correspondingly pivotally supported in sleeve protrusion 15.In addition to this, present example about design and
Function corresponds to Fig. 1 and content shown in Fig. 2, thus in order to avoid repeating, with reference to description above.
Fig. 5 shows electric drive assembly 2 of the invention in a further embodiment.Electric drive assembly 2 is generally right respectively
Should the content shown in Fig. 1 and Fig. 2 and Fig. 3 and Fig. 4, as long as therefore be related to common trait, join for brevity
Examine description above.Identical details and the details to correspond to each other are respectively arranged with and appended drawing reference identical in Fig. 1 to Fig. 4.
As in the above-described embodiments, current electric drive assembly 2 also includes motor 3, planetary gear unit 4 and controllable switching
Device 5.The difference of arragement construction about motor 3 is, in the present example, is arranged on the rotation away from planet carrier 9
Mono- radial distance of shaft axis A9.In other words, the motor axis A3 of electric motor 3 is configured to the rotation relative to planet carrier 9
Axis A9 has radial deflection.The axial dipole field is bridged by gear unit 60.
Specifically, gear unit 60 includes: the first driving gear 61, and the motor drive shaft relative to motor 3 is coaxially set
It sets and is securely connect with it；And driven gear 62, it is coaxially disposed relative to planet carrier 9 and is securely connect with it.
, it can be seen that driven gear 62 includes the diameter generally bigger than driving gear 61, subtract so that realizing in this case
Speed transmission.The two gears 61,62 are drivingly coupled to each other, and are especially joined directly to each other.Such gear list
Member is also referred to as spur gear unit.It should be understood, however, that other types of speed changer is also able to use, wherein driving
Axial dipole field is provided between part and secondary part, such as chain drives or with driving.
Motor 3 is relative to 5 axial dipole field of planetary gear unit 4 and switching device.Preferably, in motor axis A3 and row
Axial dipole field between carrier axis A9 is preferably smaller, i.e. motor 3 and planetary gear unit 4 is least partially overlapped.Working as
In preceding embodiment, housing unit 7 includes the motor shell part 41 that motor 3 is accommodated in it.Motor shell part 41 forms electricity
A part of the entire shell 7 of driving assembly 2.
Fig. 6 shows electric drive assembly 2 of the invention in a further embodiment.Electric drive assembly 2 is largely corresponding to
Content shown in Fig. 5, therefore all common traits for being related to refer to description above for brevity.Phase
Same details and the details to correspond to each other are respectively arranged with and appended drawing reference identical in Fig. 1 to Fig. 4.
The difference of arragement construction about motor 3 is again, in the present example, is configured to relative to row
The rotation axis A9 of carrier 9 has an angle offset.In other words, rotation of the motor axis A3 of electric motor 3 relative to planet carrier 9
Shaft axis A9 is extended with an angle, is especially extended with right angle.In this case, the two rotation axis A3, A9 can be one
It intersects with each other or intersects at distance.
The gear unit 60 of angle drive or screw driver form is provided, makes it possible to realize that there is rotary shaft
The torque speed changer of the angle offset of line A3, A9.Angle drive includes: the first driving gear 61 of bevel gear form, phase
The motor drive shaft of motor 3 is coaxially disposed and is securely connect with it；And the driven gear 62 of rim gear wheel form, phase
Planet carrier 9 is coaxially disposed and is securely connect with it.The two gears 61,62 are engaged with each other using tooth, and the tooth is especially
It is hypoid gear (hypoid teeth).
Motor 3 is configured such that rotation axis A3 extends between planetary gear unit 4 and switching device 5.However,
It is also contemplated that different arragement constructions.In the present example, housing unit 7 includes the motor shell that motor 3 is accommodated in it
Body portion 41.Motor shell part 41 forms a part of the entire shell 7 of electric drive assembly 2.
Fig. 7 shows electric drive assembly 2 of the invention in a further embodiment.Electric drive assembly 2 is based on shown in Fig. 2
Electric drive assembly 2 and further include driven unit 70.For the common trait being related to, for brevity with reference to above
Description.Identical details and the details to correspond to each other are respectively provided with and appended drawing reference identical in Fig. 2.With respect to Fig. 2
Embodiment only difference is that, in the present example according to Fig. 7, provide the driven unit of differential gear unit form
70, this will be described in further detail below.
Differential gear unit 70 includes: differentiator shell 71；Multiple differential gearings 72, be supported in differentiator shell 71 with
Just it rotates around pinion gear 73 and is jointly rotated around identical rotation axis with differentiator shell 71；And two side axle teeth
Take turns 74,74', respectively relative to the rotation axis of differentiator shell 71 coaxially rotatable setting and its engage differential gearing
72.The torque being introduced in differentiator shell 71 is passed to described two side shaft gears 74,74' via differential gearing 72,
In there are compensation effects between the two side shaft gears.Side shaft gear 74,74' are connected to associated output shaft in turn
25,26 with for for example transmitting torque via axis tooth, the output shaft is by the torque transfer of introducing to motor vehicle wheel.
, it can be seen that planetary gear unit 4 and driven unit 70 are coaxially disposed relative to each and therefore relative to those
This laterally offset.First sun gear 11 is connected to differentiator shell 71 via hollow shaft 24 with rotation-fixed manner, to be used for
Differentiator shell, i.e. the first sun gear 11 and differentiator shell 7 is driven to rotate jointly around rotation axis A.
In the first switching position of switching device 5, secondary sun wheel 12 is kept in a rotationally fixed manner, so that
Whole amount of torque of motor are passed to differential gearing 70 via the first sun gear 11.Planetary gear unit 4 is as common
Reduction gearing operation so that downstream differential gear unit 70 is with lower speed rotation more corresponding than planet carrier 9, to correspond to
The deceleration of planetary gear unit.
In the second switching position, secondary sun wheel 12 is connected to differential gear unit 70 in a rotationally fixed manner
Output shaft 25,26 in one.Therefore, in the differentiator shell 71 for being connected to sun gear 11 and in a rotationally fixed manner
It is connected to the deceleration that realization is formed by planetary gear unit 4 between the output shaft 25 of secondary sun wheel 12.In this switching
In position, motor is operated as torque vector device, and the direction of rotation for depending on motor can be by additional torque transfer
To one in two output shafts 25,26 of differential gear unit 70.In this manner it is possible to the two output shafts 25,26
And therefore side axle connected to it can be driven with different torque values.In third switching position, motor 3 and power path
In follow downstream power train disconnection.
Current electric drive assembly 2 is designed to the single driver of associated power train.In other words, it does not propose
It is, from different driving source by other torque transfer to the power train that can be driven by electric drive assembly.However, in the embodiment
In, it is possible to the first power train is by main drive source driving and the second power train is driven by secondary driving source.In this feelings
Under condition, electric drive assembly 2 of the invention can be used in main and/or secondary power train.
Fig. 8 shows the driving assembly with electric drive assembly 2 of the invention in a further embodiment.Electric drive assembly
2 are based on electric drive assembly 2 shown in fig. 7 and further include gear unit 80.For all of the electric drive assembly 2 that is related to
Common trait, in order to which concise purpose refers to description above, wherein identical details and the details to correspond to each other are given respectively
With appended drawing reference identical in above-mentioned attached drawing.
With respect to Fig. 7 embodiment the difference is that, in the present example according to Fig. 8, provide angle driving
The gear unit 80 of device form, this will be described in further detail below.Angle drive includes the sliding tooth of bevel gear form
The driven gear 82 of wheel 81 and rim gear wheel form.Bevel gear 81 can be rotated by other driving source to be driven, such as internal-combustion engine
Machine, especially via propeller shaft (not shown).Rim gear wheel 82 is coaxially disposed relative to differentiator shell 71 and is securely connect with it.
Gear unit 80, which is used as, introduces the additional input in differentiator shell 71 for torque, and the torque is by differential gear unit
It separates and is transmitted to described two output shafts 25,26.In other words, driving assembly shown in includes two inputs, can be via institute
Two inputs are stated to introduce torque, i.e., torque introduces differentiator shell 71 from motor 3 via the first sun gear 11, and turns
Square can be introduced into differentiator shell 71 via rim gear wheel 82 from other driving source (not shown).
The embodiment allows several operation modes.For example, according to first operator scheme, if switching device 5 is in first
Switching position can be by electricity other than introducing the torque of differential gear unit 70 by the first driving source (internal combustion engine)
Motivation 3 applies additional torque.In this manner it is possible to which increased driving torque, example are obtained in car drive in a short time
Such as while vehicle accelerates.According to other operation mode, if switching device 5 is in the second switching position, in addition to by
One driving source introduces differential gear unit 70 via drive shaft 83 and angle drive 80 and is uniformly distributed to described two
Except torque in output shaft 25,26, volume can be applied from motor 3 to described two output shafts 25,26 if necessary
External torque.For example, while vehicle passes through bend, on the outside of bend on wheel can than the wheel on curve inner side by
Bigger torque actuated.In addition, when switching device is opened, i.e., when it is in third switching position, differential gear unit 70
It can be operated as open type differentiator.
Current electric drive assembly 2 is designed to drive associated power train in a superimposed manner.In other words, proposition
It is that other torque transfer can be given to the power train that can be driven by electric drive assembly 2 from different driving source.
Fig. 9 shows the drive arrangement 90 with electric drive assembly 2 of the invention in a further embodiment.Electricity drives
Dynamic component 2 corresponds to electric drive assembly 2 shown in Fig. 4, therefore in order to which concise purpose is with reference to its description.Same parts are given
With appended drawing reference identical in Fig. 4.
Drive arrangement 90 is used to drive the driving shaft of motor vehicles, especially front axostyle, or is also possible to rear axle
Bar., it can be seen that drive arrangement 90 include as main drive source the internal combustion engine 91 being laterally extended, disconnect clutch
Device 92, the multiple-speed gear-box 93 with multiple gear stages and for torque to be respectively allocated to described two output shafts 25,26
With the differential gear unit 70 of side axle.Differential gear unit 70 is connected to electric drive assembly 2, is drivingly connected to differentiator
Shell 71.To a certain extent, it is made of as shown in Figure 8 electric drive assembly 2 and differential gear unit 70 on the Elementary Function.
Therefore, current drive arrangement 90 includes two driving sources, i.e. internal combustion engine 91 and motor 3, they are every
It is a to drive differential drive 70 and the side axle connected to it for driving shaft individually or to be superimposed situation.
The embodiment allows the aforesaid operations mode of electric drive assembly 2.In the first switching position, by internal combustion engine
91 torques being introduced into differential gear unit 70 can be superimposed with the additional torque generated by motor 3.In switching device 5
In second switching position, if necessary, then differential gearing list is introduced into via multiple-speed gear-box 93 by internal combustion engine 91
The torque of member 70 can be variably allocated to described two output shafts 25,26 by motor 3.Accordingly, depending on electric motor 3
Direction of rotation, additional torque can be superimposed upon on one in described two output shafts 25,26, so that generally described two
Output shaft 25,26 can be subjected to different torque values.In third switching position, differential gear unit can be differential as open type
Device operation.
Figure 10 shows the drive arrangement 90 with electric drive assembly of the invention in a further embodiment.Currently
Drive arrangement 90 is largely corresponding to content shown in Fig. 9, so that for the common trait being related to, for concise mesh
Reference description above, wherein identical details and the details to correspond to each other are given and attached drawing mark identical in Fig. 9 respectively
Note.
Unique difference is that the embodiment according to shown in Fig. 5 of electric drive assembly 2 in present example is configured to have
There is the motor 3 of parallel offset, referring briefly to its description.In addition to this, corresponded to according to the drive arrangement of Figure 10 90
Content shown in Fig. 9, therefore the common trait for being related to, with reference to description above.
Figure 11 shows the drive arrangement 90 with electric drive assembly 2 of the invention in a further embodiment.When
Preceding drive arrangement is largely corresponding to content shown in Fig. 9 and Figure 10, so that for the common trait being related to, briefly
Ground refers to description above, wherein identical details or the details to correspond to each other are given and attached drawing mark identical in Figure 10
Note.
Unique difference is that in the present example, 2 embodiment according to shown in Fig. 6 of electric drive assembly is configured to
Motor 3 with angle offset.Otherwise, the content that Fig. 9 is corresponded to according to the drive arrangement of Figure 11 90, so that common
Characteristic aspect, with reference to description above.
The electric drive assembly 2 is so as to be used as driving additional drives source and the use of motor vehicles as needed
In the asymmetrically torque vector device of distribution of torque between two output shafts.Therefore, with such electric drive assembly
Power train design includes other driving possibility simultaneously it is characterized in that compact design.
Reference signs list
2 electric drive assemblies
3 motor
4 planetary gear units
5 switching devices
6 stators
7 stationary parts/shell
8 rotors
9 planet carriers
10 planetary gears
11 first sun gears
12 secondary sun wheels
13 receiving portions
14,15 sleeves protrusion
16 bearings
17 bearings
18 transverse bearings
19 pinion gears
20 axial bearings
21 gear parts
22 gear parts
23 attachment devices
24 hollow shafts
25 output shafts
26 output shafts
27 shaft seals
28 shaft seals
29 axial bearings
30 sleeve parts/hollow shaft
32 switching elements
33 coupling elements
34 form locking members
35 form locking devices
36 intermediary elements
37 pinion gears
38 longitudinal teeth
39 circlips
40 housing parts
42 housing parts
43 bolt connection pieces
44 midfeathers
45 bearings
46 shaft seals
50 shaft portions
51 flange portions
52 axis splines
53 axial restraint rings
54 bearings
60 gear units
61 driving gears
62 driven gears
70 driven units/differential gear unit
71 differentiator shells
72 differential gearings
73 pinion gears
74,74' side shaft gear
80 gear units
81 driving gears
82 driven gears
83 drive shafts
90 drive arrangements
91 driving sources
92 cut-off clutches
93 multiple-speed gear-boxes
A rotation axis
Claims (16)
1. a kind of for driving the electric drive assembly of motor vehicles, comprising:
For generating the motor (2) of driving torque；
For the driving torque to be transmitted to the planetary gear unit (4) of driven unit (70)；And
For the switching device (5) of the planetary gear unit,
Wherein, the planetary gear unit (4) includes that driving can be rotated by the motor (3) to revolve around rotation axis (A9)
Turn planet carrier (9), with the planet carrier (9) rotation multiple planetary gears (10) and be drivingly coupled to the row
Two sun gears (11,12) of star gear (10), wherein the first sun gear in described two sun gears (11,12)
It is configured for the output par, c of the driven unit (70) in driving downstream, and
Wherein, the secondary sun wheel in described two sun gears (12,11) is operatively coupled to the switch unit
(5), so that the secondary sun wheel (12) braces against stationary parts (7) simultaneously in a rotational direction in the first switching position
And be connected in a rotationally fixed manner in the second switching position can by first sun gear (11) drive it is described
The first output shaft (25) of driven unit (70).
2. electric drive assembly according to claim 1,
It is characterized by:
The switching device (5) can be switched to third switching position, wherein the secondary sun wheel (12) is freely rotatable.
3. electric drive assembly according to any one of claim 1 or 2,
It is characterized by:
The switching device (5) includes controllable switch element (32) and connection member that can be mobile by the switching element (32)
Part (33), wherein the coupling element (33) is connected to described in a rotationally fixed manner in first switching position
Stationary parts (7) and it is connected to first output shaft in a rotationally fixed manner in second switching position
(25).
4. electric drive assembly according to claim 3,
It is characterized by:
The coupling element (33) is connected to the secondary sun wheel (12) to rotate fixed and axially movable mode.
5. electric drive assembly according to any one of claim 1 to 4,
It is characterized by:
Differential gear unit can be configured to by the driven unit (70) that first sun gear (11) drives,
Wherein, the differential gear unit include with first sun gear (11) be drivingly connected differentiator shell (71), with
Multiple differential gearings (72) of the differentiator shell (71) rotation and two side axle teeth of the engagement differential gearing (72)
It takes turns (74,74'),
Wherein, the first side shaft gear in described two side shaft gears (74,74') is connected to described with rotation-fixed manner
One output shaft (25), and
Wherein, the second side shaft gear in described two side shaft gears (74', 74) is connected to described with rotation-fixed manner
Two output shafts (26).
6. electric drive assembly according to claim 5,
It is characterized by:
The planet carrier (9) and the differentiator shell (71) are coaxially disposed relative to each and are axially relative to one another offset.
7. the electric drive assembly according to any one of claim 5 or 6,
It is characterized by:
The differentiator shell (71) includes the other importation (82) for introducing torque from other driving source.
8. electric drive assembly according to any one of claim 1 to 7,
It is characterized by:
The planet carrier (9) of the planetary gear unit (4) is configured to caged and including two sleeve protrusions (14,15)
For supporting the planet carrier (9) on two sides in shell (7).
9. electric drive unit according to any one of claim 1 to 8,
It is characterized by:
The motor (3) is coaxially disposed relative to the planetary gear unit (4), wherein the rotor of the motor (3)
(8) it is drivingly coupled to the planet carrier (9) of the planetary gear unit (4).
10. electric drive assembly according to claim 9,
It is characterized by:
The motor (3) is provided with the axial overlap in the radial outside of the planetary gear unit (4), wherein the electricity
The rotor (8) of motivation (3) is connected to the shell parts (Fig. 1 and Fig. 2) of the planet carrier (9) with rotation-fixed manner.
11. electric drive assembly according to claim 9,
It is characterized by:
The motor (3) is configured to have axial dipole field and radially superposed relative to the planetary gear unit (4),
In, the rotor (8) of the motor (3) is connected to the sleeve protrusion of the planet carrier (9) with rotation-fixed manner
(50) (Fig. 3 and Fig. 4).
12. electric drive assembly according to any one of claim 1 to 8,
It is characterized by:
In addition, the electric drive assembly includes gear unit (60), the gear unit is arranged on the motor (3) and institute
It states in the power path between planetary gear unit (4), wherein the gear unit (60) is especially constructed to compensation and exists
Axis between the rotation axis (A3) of the motor of the motor (3) and the rotation axis (A9) of the planetary gear (9)
To offset, wherein the motor (3) can be configured to have especially with respect to the planetary gear unit (4) axial inclined
Shifting and/or angle offset (Fig. 5 and Fig. 6).
13. electric drive assembly according to any one of claim 1 to 12,
It is characterized by:
The shell (7) is designed to multiple portions and the housing parts including accommodating the switching device (5) in it (42)
With the housing parts (40) for accommodating the planetary gear unit (4) in it.
14. a kind of transmission components have electric drive assembly according to any one of claim 1 to 13,
Include:
The first driving shaft of driving can be rotated by the first driving source；And driving can be rotated by the electric drive assembly (2)
Second driving shaft, wherein the first driving shaft and the second driving shaft machinery disconnect,
Wherein, the second driving shaft includes differential gear unit (70), and the differential gear unit (70) has differentiator
Shell (71) and two output shafts (25,26), wherein the differentiator shell (71) is drivingly coupled to the motor (3),
Wherein, in first switching position of the electric drive assembly (2), torque can be drawn from the motor (3)
Enter the differentiator shell (71) to the differential gear unit (70) for driving the second driving shaft, the torque
Described two output shafts (25,26) are consistently distributed to, and wherein, in second switching position, driving torque energy
Enough motor by between one in the differentiator shell (71) and described two output shafts (25,26) generate (figure
7).
15. a kind of transmission components have electric drive assembly according to any one of claim 1 to 13, comprising:
Can be driven by the rotation of the first driving source via the first power train first drives shaft and can be by institute via the second power train
It states the first driving source rotation driving and is drivingly coupled to the second driving shaft of the electric drive assembly (2),
Wherein, the second driving shaft includes differential gear unit (70), and the differential gear unit (70) has differentiator
Shell (71) and two output shafts (25,26), wherein the differentiator shell (71) be drivingly coupled to the motor (3) and
First driving source,
Wherein, in first switching position of the electric drive assembly (2), additional torque can be by the motor (3)
It is introduced into the differentiator shell (71) of the differential gear unit (70), to be used to drive the second driving shaft, and
And wherein, in second switching position, the motor (3) can be in the differentiator shell (71) and described two drivings
Driving torque is generated between one in axis (25,26), the driving torque, which is superimposed upon, introduces institute by first driving source
It states in the torque in differentiator shell (71).
16. a kind of transmission components, comprising: especially the first driving source (91) of internal combustion engine, in the power path
It follows the multiple-speed gear-box unit (93) of first driving source and follows the multiple-speed gear-box in the power path
The differential gear unit (70) of unit (93), the differential gear unit (70) have differentiator shell (71) and two output shafts
(25,26) and there are electric drive assembly according to any one of claim 1 to 13 (2),
Wherein, the differentiator shell (71) of the differential gear unit (70) is drivingly coupled to the multiple-speed gear-box list
First (93) and the planetary gear unit (4), so that being added in first switching position of the electric drive assembly (2)
Torque can be passed to the differentiator shell (71) from the motor (3), and described the second of the motor (3)
In switching position, driving can be generated between one in the differentiator shell (71) and described two output shafts (25,26)
Torque, the driving torque are superimposed upon (Fig. 9 in the torque that can be introduced by the driving source (91) in the differentiator shell (71)
To Figure 11).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2016/062590 WO2017207061A1 (en) | 2016-06-03 | 2016-06-03 | Electric drive arrangement, and drive train having an electric drive arrangement of this type |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109562682A true CN109562682A (en) | 2019-04-02 |
| CN109562682B CN109562682B (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680088340.1A Active CN109562682B (en) | 2016-06-03 | 2016-06-03 | Electric drive arrangement and drive train having an electric drive arrangement of this type |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109562682B (en) |
| DE (1) | DE112016006924A5 (en) |
| WO (1) | WO2017207061A1 (en) |
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| CN108286591A (en) * | 2017-12-28 | 2018-07-17 | 陕西国力信息技术有限公司 | Single input three keeps off power assembly system |
| CN112829580A (en) * | 2019-11-22 | 2021-05-25 | 阿文美驰技术有限责任公司 | Drive train system with axle assembly |
| CN113892002A (en) * | 2019-04-23 | 2022-01-04 | 采埃孚股份公司 | Transmission and vehicle with transmission |
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| CN113815393A (en) | 2016-05-06 | 2021-12-21 | 艾里逊变速箱公司 | Axle assembly with electric motor |
| USD927578S1 (en) | 2018-09-27 | 2021-08-10 | Allison Transmission, Inc. | Axle assembly |
| WO2020119928A1 (en) | 2018-12-14 | 2020-06-18 | Gkn Automotive Limited | Transmission arrangement for a hybrid drive |
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| DE102010049550A1 (en) * | 2010-10-25 | 2012-04-26 | Schaeffler Technologies Gmbh & Co. Kg | Drive system for e.g. hybrid car, has planetary gearbox arranged between electric motor and differential gearbox so that sun wheel of planetary gearbox is connectable with electric motor over switchable coupling device |
| DE102013202382A1 (en) * | 2013-02-14 | 2014-08-14 | Schaeffler Technologies Gmbh & Co. Kg | Drive device for a vehicle and vehicle with the drive device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108286591A (en) * | 2017-12-28 | 2018-07-17 | 陕西国力信息技术有限公司 | Single input three keeps off power assembly system |
| CN113892002A (en) * | 2019-04-23 | 2022-01-04 | 采埃孚股份公司 | Transmission and vehicle with transmission |
| CN112829580A (en) * | 2019-11-22 | 2021-05-25 | 阿文美驰技术有限责任公司 | Drive train system with axle assembly |
| CN112829580B (en) * | 2019-11-22 | 2024-03-15 | 阿文美驰技术有限责任公司 | Drive train system with axle assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109562682B (en) | 2020-03-10 |
| DE112016006924A5 (en) | 2019-02-28 |
| WO2017207061A1 (en) | 2017-12-07 |
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